CN110617684A - Vibrating grain microwave drying device - Google Patents
Vibrating grain microwave drying device Download PDFInfo
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- CN110617684A CN110617684A CN201910963331.8A CN201910963331A CN110617684A CN 110617684 A CN110617684 A CN 110617684A CN 201910963331 A CN201910963331 A CN 201910963331A CN 110617684 A CN110617684 A CN 110617684A
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- bracket
- ring body
- right bracket
- filter screen
- grain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/044—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis the drum or receptacle having a variable outer or inner diameter in axial direction, e.g. trunconical; the drum or receptacle having a polygonal or non-cylindrical shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a vibrating type grain microwave drying device, which belongs to the technical field of grain drying and comprises a feed hopper, a drying box and a discharge pipe, wherein the drying box is in a transverse round table shape and comprises a left bracket, a right bracket and a cylindrical filter screen connected between the left bracket and the right bracket; an upper filter plate which is obliquely arranged is arranged in the cylindrical filter screen, a first discharge hole is formed in the bottom of the left bracket, a large plugging ring body is arranged outside the right bracket in a fitting mode, a second discharge hole is formed in the bottom of the large plugging ring body, and a large stone outlet is formed in the front side of the large plugging ring body; the bottom of the drying box is provided with a lifting plate parallel to the bottom of the drying box. The invention can synchronously realize periodic intermittent feeding, carry out classification separation and respective discharge on stone particles, generate a stirring effect on grains and generate an impact vibration effect on the drying box.
Description
Technical Field
The invention relates to the technical field of grain drying, in particular to a vibrating type grain microwave drying device.
Background
Grain needs to be dried before storage, and a dryer is a mechanical device for reducing moisture of materials by using heat energy, is used for drying objects, and is suitable for drying grain. The microwave drying is different from the traditional drying mode, and the heat conduction direction is the same as the moisture diffusion direction. When drying, the microwave energy directly acts on the medium molecules to be converted into heat energy, and because the microwave has the penetrating property, the medium is heated inside and outside simultaneously, and heat conduction is not needed, the heating speed is very high, and the drying speed can be shortened by hundreds of times for food with the water content of below 30 percent. Meanwhile, no matter any shape of the object, because the medium of the object is heated inside and outside simultaneously, the temperature difference inside and outside the material is small, the heating is uniform, the condition that the external coke is generated in the conventional heating process can not be generated, and the drying quality is greatly improved. Compared with the traditional drying mode, the drying device has the advantages of high drying speed, energy conservation, high production efficiency, uniform drying, clean production, easy realization of automatic control, improvement of product quality and the like, thereby being more and more emphasized in various drying fields.
In the grain drying process, the feeding rate can affect the drying efficiency and effect of grains, and excessive feeding can easily cause the blockage of grain channels and easily cause the accumulation of grains to affect the drying effect; the heating uniformity of the grain in the dynamic state is obviously better than that of the grain in the static state; in addition, the grains are often mixed with stone particles, which is not beneficial to subsequent sale and eating of the grains. The existing grain drying device is difficult to solve the problems at the same time.
Disclosure of Invention
1. Technical problem to be solved
The technical problem to be solved by the invention is to provide a vibrating type grain microwave drying device, which can realize periodic intermittent feeding, thereby preventing the grain channel from being blocked and avoiding the influence of grain accumulation on the drying effect; the stone particles can be classified and separated and respectively discharged, thereby being beneficial to subsequent sale and eating of grains; can produce the effect of stirring to grain, can also produce striking vibration effect to the drying cabinet to can promote grain to be heated evenly, promote drying effect.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a vibrating type grain microwave drying device comprises a feed hopper, a drying box and a discharge pipe which are arranged from top to bottom in sequence; the drying box is characterized in that the outline shape of the drying box is in a circular table shape, the drying box comprises a left bracket and a right bracket which are oppositely arranged, and a cylindrical filter screen connected between the left bracket and the right bracket, the left bracket and the right bracket are in circular table structures which are hollow inside and open in opposite surfaces, the end surface diameter of the left bracket is larger than that of the right bracket, the cylindrical filter screen is connected between the opposite surfaces of the left bracket and the right bracket, connecting rods which are positioned at the top and the front and back sides of the cylindrical filter screen and attached to the outer surface of the cylindrical filter screen are connected between the left bracket and the right bracket, the cylindrical filter screen is made of fibers, and the carbon caliber of filter holes of the cylindrical filter screen is smaller than the grain particle size; the central axis of the cylindrical filter screen is provided with a fixed shaft which is attached to a left bracket and penetrates through the right bracket, a bearing sleeved on the fixed shaft is connected to the position, through which the fixed shaft penetrates, of the right bracket, the top of the fixed shaft is fixedly provided with an upper filter plate which is arranged in a manner that the side of the right bracket is gradually lowered towards the side of the left bracket in the length direction of the fixed shaft, the upper filter plate is arranged in a manner that the rear side of the upper filter plate is gradually lowered towards the front side of the upper filter plate, the peripheral side of the upper filter plate is completely attached to the inner wall of the drying box, large filter holes which are just used for grains to penetrate are distributed on the upper filter plate, a microwave generator is fixed at the bottom of the fixed shaft, a first feed inlet is formed in the top of the right bracket, a first discharge outlet is formed;
a small plugging ring body surrounding the outer side of the right bracket is sleeved at the position of the right bracket corresponding to the first feed inlet, the top of the small plugging ring body is fixedly connected with the lower end of the feed hopper, the inner side surface of the small plugging ring body is completely attached to the outer surface of the periphery of the corresponding position of the right bracket, and a second feed inlet communicating the lower port of the feed hopper with the first feed inlet is formed in the top of the small plugging ring body; the large plugging ring body is sleeved at the position, corresponding to the first discharge hole, of the left bracket, the inner side face of the large plugging ring body is completely attached to the outer surface of the periphery of the corresponding position of the left bracket, the bottom of the large plugging ring body is provided with a second discharge hole communicated with the first discharge hole, the discharge pipe is connected to the bottom of the second discharge hole, and the front side of the large plugging ring body is provided with a large stone outlet corresponding to the upper lower side end of the upper filter plate in the front-back direction;
the left bracket is fixed with a gear lacking part which is concentric with a bearing on one side of the right bracket, the gear lacking part is provided with at least two sections of gear teeth at equal intervals along the peripheral side of the gear lacking part, the rear side of the gear lacking part is provided with a rack plate which is vertically arranged and meshed with the gear teeth, the lower part of the rack plate is movably sleeved with a telescopic sleeve body, a sliding chute for the lifting movement of the lower part of the rack plate is arranged in the telescopic sleeve body, one side of the lower part of the rack plate towards the right bracket is fixed with a lifting plate which is parallel to the edge of the bottom of the cylindrical filter screen and is positioned below the cylindrical filter screen, raised heads capable of pushing the cylindrical filter screen are fixed on the top surface of the lifting plate at equal intervals, and one end of;
one side of the bottom of feeder hopper driving motor dorsad is connected with and supports subaerial first pillar, the one end fixed connection that the fixed axle passed right bracket is to first pillar, one side of the bottom of little shutoff ring body bracket is connected to first pillar through the connecting rod dorsad left, driving motor's bottom sprag has and is connected to subaerial second pillar, the top of big shutoff ring body is connected to the second pillar through the connecting rod towards one side of driving motor on, and the top of big shutoff ring body is connected to the feeder hopper lower part through the connecting rod towards one side of feeder hopper.
Furthermore, a guide track spirally wound along the length direction of the cylindrical filter screen is fixed on the inner side surface of the cylindrical filter screen. The guide rail which is spirally arranged can guide the grain in the cylindrical filter screen in the process that the bottom of the cylindrical filter screen moves from a high end to a low end, so that the direct continuous movement of the grain is blocked, the retention time of the grain in the drying oven can be prolonged, and the drying result of the grain can be guaranteed.
Further, a spring connected to the bottom of the rack plate is fixed to the bottom of the slide groove, and when the spring is in a natural state, the upper portion of the rack plate is engaged with the missing gear. The spring can avoid the direct hard collision of the bottom of the rack plate with the inner bottom of the telescopic sleeve body, thereby being beneficial to protecting the rack plate; in operation, the spring can be stretched along with the rising of the rack plate, and then the falling reset of the rack plate can be realized by the aid of the self-reset function.
Furthermore, the outer side surfaces of the large plugging ring body and the small plugging ring body are respectively connected with a guide rod which penetrates through the corresponding end side of the lifting plate and vertically extends downwards, and a limiting block is fixed at the bottom of each guide rod. Because the lifter plate is only connected with the driving part at one side, the movement stability of the lifter plate is poor, and the guide rods additionally arranged at the two sides can play a role in guiding the two ends of the lifter plate, so that the lifting stability of the lifter plate can be ensured.
3. Advantageous effects
(1) The drying box is in a horizontal round table shape and comprises a left bracket, a right bracket and a cylindrical filter screen connected between the left bracket and the right bracket, wherein a first feeding hole is formed in the top of the right bracket, a small plugging ring body connected to the bottom of a feeding hopper is arranged outside the right bracket in an attached mode, and a second feeding hole communicated with the feeding hopper is formed in the top of the small plugging ring body. In using, the drive drying cabinet rotates, when first feed inlet rotated to right bracket top, first feed inlet and second feed inlet intercommunication, inside partial grain in the feeder hopper can get into the drying cabinet from first feed inlet, when first feed inlet and second feed inlet dislocation separation, stopped the unloading, realized the automatic periodic intermittent type formula unloading of grain promptly, can prevent that the grain passageway from blockking up, can avoid grain to pile up and influence its drying effect.
(2) A fixed shaft is arranged on the central axis of a cylindrical filter screen, an upper filter plate which is obliquely arranged is fixed at the top of the fixed shaft, a first discharge hole is formed in the bottom of a left bracket, a large plugging ring body is attached to the outside of a right bracket, a second discharge hole communicated with a discharge pipe is formed in the bottom of the large plugging ring body, and a large stone outlet corresponding to the lower side of the upper filter plate is formed in the front side of the large plugging ring body. In the application, grain firstly falls on the upper filter plate and moves along the upper filter plate to the left bracket, in the process, larger stones are intercepted on the upper filter plate, when the first discharge port rotates to be aligned with the outlet of the large stones, the larger stones can sequentially pass through the first discharge port and the outlet of the large stones to be discharged out of the drying box, the grain and smaller stone particles can pass through the large filtering hole to fall to the bottom in the drying box, the grain and smaller stone particles also move to the left bracket, in the process, the smaller stones are discharged out of the drying box through the filtering holes of the cylindrical filter screen, and the grain is intercepted at the bottom in the cylindrical filter screen, so that the grading separation and the respective discharge of the stone particles in the grain are realized.
(3) The microwave generator is arranged at the bottom of the fixed shaft, and can be used for drying grains in a microwave manner, in the process, the grains at the inner bottom of the drying box can be lifted by the rotation of the drying box, and the grains fall to the inner bottom of the drying box under the action of gravity, so that the grains can be efficiently turned over, the grains can be uniformly heated, and the drying effect of the grains can be improved; in addition, a gear lack is fixed on the outer side surface of the right bracket, a rack plate is arranged on one side of the gear lack in a meshing mode, a lifting plate parallel to the edge of the bottom of the drying box is connected to the bottom of the rack plate, and raised heads are uniformly distributed on the lifting plate. When using, the rotation of right bracket can drive and lack the gear revolve, when the teeth of a cogwheel on lacking the gear and rack plate meshing, can drive the rack plate and rise, when the teeth of a cogwheel breaks away from the rack plate, under the action of gravity, the rack plate can descend automatically, and lack the gear revolve round, can drive the rack plate and rise twice at least, then can drive the lifter plate along with the continuous rotation of drying cabinet and carry out frequent lift removal, the plush copper on the lifter plate reciprocates, produce the effect to the repeated striking of cylindric filter screen bottom, make the grain of bottom receive vibrations in the cylindric filter screen, be favorable to promoting the even being heated of grain, thereby can promote its drying effect, simultaneously can also promote less stone and pass cylindric filter screen bottom, accelerate the separation of less stone and grain.
In conclusion, the invention has the advantages of ingenious structural design and higher integration degree, and can realize periodic intermittent feeding through the rotation of the drying box, thereby preventing the blockage of a grain channel and avoiding the influence of grain accumulation on the drying effect; the stone particles can be classified and separated and respectively discharged, thereby being beneficial to subsequent sale and eating of grains; can produce the effect of stirring to grain, can also produce striking vibration effect to the drying cabinet to can promote grain to be heated evenly, promote drying effect.
Drawings
FIG. 1 is a schematic structural appearance of the present invention;
FIG. 2 is a schematic view of the present invention taken along a vertical central plane along the length direction thereof;
FIG. 3 is a schematic view of the right bracket 22 cut away at the location of the first throat 25;
fig. 4 is a side view of the connecting structure of the pinion 11 and the rack plate 12;
fig. 5 is a schematic view of the left bracket 21 cut away at the location of the first discharging hole 26.
Reference numerals: 1. a feed hopper; 2. a drying oven; 21. a left bracket; 22. a right bracket; 23. a cylindrical filter screen; 24. a connecting rod; 25. a first feed port; 26. a first discharge port; 27. a guide rail; 3. a discharge pipe; 4. a fixed shaft; 5. a bearing; 6. an upper filter plate; 7. a microwave generator; 8. a small plugging ring body; 81. a second feed port; 9. a large plugging ring body; 91. a second discharge port; 92. a large stone outlet; 10. a drive motor; 11. a gear is missing; 12. a rack plate; 13. a telescopic sleeve body; 14. a chute; 15. a lifting plate; 16. a raised head; 17. a first support; 18. a second support; 19. a spring; 20. a guide bar; 30. and a limiting block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 and 2, the vibrating type microwave drying device for grain comprises a feeding hopper 1, a drying box 2 and a discharging pipe 3 which are arranged from top to bottom in sequence; the contour shape of the drying box 2 is a circular truncated cone, the drying box 2 comprises a left bracket 21 and a right bracket 22 which are oppositely arranged, and a cylindrical filter screen 23 connected between the left bracket 21 and the right bracket 22, the left bracket 21 and the right bracket 22 are both in a hollow circular truncated cone structure with mutually opposite open surfaces, the end surface diameter of the left bracket 21 is larger than that of the right bracket 22, the cylindrical filter screen 23 is connected between the opposite surfaces of the left bracket 21 and the right bracket 22, a connecting rod 24 which is positioned at the top and the front and back sides of the cylindrical filter screen 23 and attached to the outer surface of the cylindrical filter screen 23 is connected between the left bracket 21 and the right bracket 22, the cylindrical filter screen 23 is made of carbon fibers, and the filter hole diameter of the cylindrical filter screen 23 is smaller than the grain diameter; a fixing shaft 4 which is attached to the left bracket 21 and penetrates through the right bracket 22 is arranged on the central axis of the cylindrical filter screen 23, and the right bracket 22 is connected with a bearing 5 sleeved on the fixed shaft 4 at the position for the fixed shaft 4 to pass through, as shown in fig. 2, the top of the fixed shaft 4 is fixed with an upper filter plate 6 which is arranged in the length direction from the side of the right bracket 22 to the side of the left bracket 21 and is gradually lowered, as shown in fig. 3 and 5, the upper filter sheet 6 is inclined downward from the rear side to the front side, the peripheral side of the upper filter sheet 6 is completely attached to the inner wall of the drying box 2, and the upper filtering plate 6 is provided with large filtering holes for grains to pass through, the bottom of the fixed shaft 4 is fixed with a microwave generator 7, the top of the right bracket 22 is provided with a first feeding hole 25, a first discharge hole 26 is formed in the bottom of the left bracket 21, and a driving motor 10 which is coaxial with the fixed shaft 4 is fixedly connected to the center of one side surface of the left bracket 21, which is back to the right bracket 22;
as shown in fig. 1, 2 and 3, a small plugging ring body 8 surrounding the outer side of the right bracket 22 is sleeved at a position where the right bracket 22 corresponds to the first feed opening 25, the top of the small plugging ring body 8 is fixedly connected with the lower end of the feed hopper 1, the inner side surface of the small plugging ring body 8 is completely attached to the outer surface of the periphery of the corresponding position of the right bracket 22, and the top of the small plugging ring body 8 is provided with a second feed opening 81 communicating the lower port of the feed hopper 1 with the first feed opening 25; as shown in fig. 1, 2 and 5, a large plugging ring body 9 surrounding the outer side of the left bracket 21 is sleeved at a position corresponding to the first discharge hole 26, the inner side surface of the large plugging ring body 9 is completely attached to the outer surface of the circumferential side of the corresponding position of the left bracket 21, a second discharge hole 91 communicated with the first discharge hole 26 is formed in the bottom of the large plugging ring body 9, the discharge pipe 3 is connected to the bottom of the second discharge hole 91, and a large stone outlet 92 corresponding to the upper and lower side ends of the front and rear sides of the upper filter plate 6 is formed in the front side of the large plugging ring body 9;
as shown in fig. 1, 2 and 4, a side of the right bracket 22 facing away from the left bracket 21 is fixed with a missing gear 11 concentric with the bearing 5, the missing gear 11 is provided with at least two segments of gear teeth at equal intervals along the circumferential side thereof, the rear side of the missing gear 11 is provided with a vertically arranged rack plate 12 engaged with the gear teeth, the lower part of the rack plate 12 is movably sleeved with a telescopic sleeve body 13, a sliding chute 14 for lifting and moving the lower part of the rack plate 12 is arranged in the telescopic sleeve body 13, a lifting plate 15 parallel to the bottom edge of the cylindrical filter screen 23 and located below the lower part of the cylindrical filter screen is fixed on one side of the lower part of the rack plate 12 facing the right bracket 22, raised heads 16 capable of pushing the cylindrical filter screen 23 are fixed at equal intervals on the top surface of the lifting plate 15, and one end of the lifting plate 15 connected with the rack plate 12 is always located above the telescopic;
as shown in fig. 1 and 2, a first support column 17 supported on the ground is connected to a side of the bottom of the feed hopper 1 facing away from the driving motor 10, one end of the fixing shaft 4 penetrating through the right bracket 22 is fixedly connected to the first support column 17, a side of the bottom of the small plugging ring body 8 facing away from the left bracket 21 is connected to the first support column 17 through a connecting rod, a second support column 18 connected to the ground is supported by the bottom of the driving motor 10, a side of the top of the large plugging ring body 9 facing the driving motor 10 is connected to the second support column 18 through a connecting rod, and a side of the top of the large plugging ring body 9 facing the feed hopper 1 is connected to the lower part of the feed hopper 1 through a connecting rod.
In this embodiment, as shown in fig. 2, a guide rail 27 spirally wound along the length direction of the cylindrical screen 23 is fixed to the inner side surface thereof. The guide rail 27 arranged spirally can guide the grain in the cylindrical filter screen 23 from the high end to the low end, so that the direct continuous movement of the grain is prevented, the retention time of the grain in the drying oven 2 can be prolonged, and the drying result of the grain can be guaranteed.
In this embodiment, as shown in fig. 2, a spring 19 connected to the bottom of the rack plate 12 is fixed to the inner bottom of the slide groove 14, and the upper portion of the rack plate 12 is engaged with the missing gear 11 when the spring 19 is in a natural state. The spring 19 can avoid the bottom of the rack plate 12 from directly and rigidly colliding with the inner bottom of the telescopic sleeve body 13, thereby being beneficial to protecting the rack plate 12; in operation, the spring 19 can be stretched as the rack plate 12 is raised, and then the lowering return of the rack plate 12 can be assisted by its own return action.
In the present embodiment, as shown in fig. 1 and fig. 2, the outer side surfaces of the large plugging ring body 9 and the small plugging ring body 8 are connected to guide rods 20 which penetrate through the corresponding end sides of the lifting plate 15 and vertically extend downward, and the bottom of each guide rod 20 is fixed with a limiting block 30. Since the lifting plate 15 is connected to the driving member only at one side, the movement stability thereof is poor, and the guide rods 20 additionally provided at both sides can guide both ends of the lifting plate 15, thereby ensuring the lifting stability of the lifting plate 15.
The specific action principle of the vibrating agricultural microwave drying device is as follows:
firstly, grain to be dried is put into the feed hopper 1, then the driving motor 10 and the microwave generator 7 are started, the driving motor 10 can directly drive the left bracket 21 to rotate and drive the right bracket 22 to rotate around the fixed shaft 4 through the connecting rod 24, when the first feed port 25 rotates to the top of the right bracket 22, the first feed port 25 is communicated with the second feed port 81, part of the grain in the feed hopper 1 can enter the drying box 2 from the first feed port 25, and when the first feed port 25 is separated from the second feed port 81 in a staggered manner, the feeding is stopped, namely, the automatic periodic intermittent feeding of the grain is realized, the grain channel can be prevented from being blocked, and the drying effect of the grain can be prevented from being influenced by grain accumulation; grain to be dried firstly falls on the upper filter plate 6 and moves towards the left side of the left bracket 21 along the upper filter plate 6, in the process, larger stones are intercepted on the upper filter plate 6, when the first discharge hole 26 rotates to be aligned with the large stone outlet 92, the larger stones can sequentially pass through the first discharge hole 26 and the large stone outlet 92 to be discharged out of the drying box 2, the grain and smaller stone particles can pass through the large filter hole to fall to the bottom in the drying box 2, the grain and smaller stone particles also move towards the left side of the left bracket 21, in the process, the smaller stones are discharged out of the drying box 2 through the filter hole of the cylindrical filter screen 23, and the grain is intercepted at the bottom in the cylindrical filter screen 23, so that grading separation and respective discharge of the stone particles in the grain are realized.
The microwave generator 7 generates microwaves to heat and dry the grains, and in the process, the cylindrical filter screen 23 rotates along with the rotation of the left bracket 21 and the right bracket 22 to lift the grains at the inner bottom of the cylindrical filter screen and drop the grains to the inner bottom of the cylindrical filter screen under the action of gravity, so that the grains can be efficiently turned over, the grains can be uniformly heated, and the drying effect of the grains can be improved; meanwhile, the right bracket 22 rotates to drive the missing gear 11 to rotate, when the gear teeth on the missing gear 11 are meshed with the rack plate 12, the rack plate 12 can be driven to ascend, when the gear teeth are separated from the rack plate 12, the rack plate 12 can automatically descend under the action of gravity, and the missing gear 11 rotates for one circle, the rack plate 12 can be driven to ascend at least twice, the lifting plate 15 can be driven to frequently ascend and descend along with the continuous rotation of the drying box 2, the raised head 16 on the lifting plate 15 moves up and down, the effect of repeated impact on the bottom of the cylindrical filter screen 23 is generated, so that grains at the bottom in the cylindrical filter screen 23 are vibrated, the uniform heating of the grains is facilitated, the drying effect of the grains can be improved, meanwhile, smaller stones can be promoted to penetrate through the bottom of the cylindrical filter screen 23, and the separation of the smaller stones and the grains is accelerated. Grain moves to the left side of the bracket 21 while being dried, and when the first discharge hole 26 rotates to be aligned with the second discharge hole 91, the grain can sequentially pass through the first discharge hole 26 and the second discharge hole 91 to enter the discharge pipe 3 and is discharged out of the drying box 2 along the discharge pipe 3.
When the rotation speed of the driving motor 10 is faster, the amount of the primary feeding is smaller, and the drying intensity is larger as the frequency of both the tumbling and impact vibration to the grains is higher.
According to the invention, the structure design is ingenious, the integration degree is high, and the periodic intermittent feeding can be realized through the rotation of the drying box, so that the blockage of a grain channel can be prevented, and the influence of grain accumulation on the drying effect can be avoided; the stone particles can be classified and separated and respectively discharged, thereby being beneficial to subsequent sale and eating of grains; can produce the effect of stirring to grain, can also produce striking vibration effect to the drying cabinet to can promote grain to be heated evenly, promote drying effect.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (4)
1. A vibrating type grain microwave drying device comprises a feed hopper (1), a drying box (2) and a discharge pipe (3) which are arranged from top to bottom in sequence; it is characterized in that the contour shape of the drying box (2) is a round table shape, the drying box (2) comprises a left bracket (21) and a right bracket (22) which are oppositely arranged, and a cylindrical screen (23) connected between the left bracket (21) and the right bracket (22), the left bracket (21) and the right bracket (22) are both in the shape of a circular truncated cone structure which is hollow inside and open in opposite surfaces, the end surface diameter of the left bracket (21) is larger than that of the right bracket (22), the cylindrical filter screen (23) is connected between the facing surfaces of the left bracket (21) and the right bracket (22), and connecting rods (24) which are positioned at the top part and the front and back sides of the cylindrical filter screen (23) and are attached to the outer surface of the cylindrical filter screen (23) are connected between the left bracket (21) and the right bracket (22), the cylindrical filter screen (23) is made of carbon fiber, and the caliber of a filter hole of the cylindrical filter screen is smaller than the grain particle size; be equipped with attached left bracket (21) on the axis of cylindric filter screen (23) and run through fixed axle (4) of right bracket (22), and the position department that supplies fixed axle (4) to pass on right bracket (22) is connected with bearing (5) of suit on fixed axle (4), fixed axle (4) top is fixed with in its length direction by upper filter plate (6) that right bracket (22) place side left bracket (21) place side gradually low setting, and upper filter plate (6) is by its rear side gradually low slope setting to the front side, the inner wall of the totally attached drying cabinet (2) of week side of upper filter plate (6), and upper filter plate (6) go up to spread all over and have the big filtration pore that just supplies grain to pass, the bottom of fixed axle (4) is fixed with microwave generator (7), first feed inlet (25) have been seted up at the top of right bracket (22), and first discharge gate (26) have been seted up to the bottom of left bracket (21), a driving motor (10) which is coaxial with the fixed shaft (4) is fixedly connected to the center of one side surface of the left bracket (21) back to the right bracket (22);
a small plugging ring body (8) surrounding the outer side of the right bracket (22) is sleeved at the position, corresponding to the first feed port (25), of the right bracket (22), the top of the small plugging ring body (8) is fixedly connected with the lower end of the feed hopper (1), the inner side surface of the small plugging ring body (8) is completely attached to the outer surface of the periphery of the corresponding position of the right bracket (22), and a second feed port (81) communicating the lower port of the feed hopper (1) with the first feed port (25) is formed in the top of the small plugging ring body (8); the large plugging ring body (9) surrounding the outer side of the left bracket (21) is sleeved at the position, corresponding to the first discharge hole (26), of the left bracket (21), the inner side face of the large plugging ring body (9) is completely attached to the outer surface of the periphery of the corresponding position of the left bracket (21), the bottom of the large plugging ring body (9) is provided with a second discharge hole (91) communicated with the first discharge hole (26), the discharge pipe (3) is connected to the bottom of the second discharge hole (91), and the front side of the large plugging ring body (9) is provided with a large stone outlet (92) corresponding to the upper and lower side ends of the upper filter plate (6) in the front and back direction;
a gear lack (11) concentric with the bearing (5) is fixed on one side surface of the right bracket (22) back to the left bracket (21), the side of the gear lack (11) is provided with at least two sections of gear teeth at equal intervals along the peripheral side of the gear lack (11), the rear side of the gear lack (11) is provided with a vertically arranged rack plate (12) engaged with the gear teeth, a telescopic sleeve body (13) is movably sleeved at the lower part of the rack plate (12), a sliding chute (14) for lifting and moving the lower part of the rack plate (12) is arranged in the telescopic sleeve body (13), a lifting plate (15) which is parallel to the bottom edge of the cylindrical filter screen (23) and is positioned below the cylindrical filter screen is fixed on one side of the lower part of the rack plate (12) facing the right bracket (22), raised heads (16) capable of pushing the cylindrical filter (23) net are fixed on the top surface of the lifting plate (15) at equal intervals, one end of the lifting plate (15) connected with the rack plate (12) is always positioned above the telescopic sleeve body (13);
one side of the bottom of feeder hopper (1) driving motor (10) dorsad is connected with and supports subaerial first pillar (17), the one end fixed connection that fixed axle (4) passed right bracket (22) is on first pillar (17), one side of the bottom of little shutoff ring body (8) bracket (21) dorsad is connected to first pillar (17) through the connecting rod on, the bottom sprag of driving motor (10) has and is connected to subaerial second pillar (18), the top of big shutoff ring body (9) is connected to on second pillar (18) through the connecting rod towards one side of driving motor (10), and the top of big shutoff ring body (9) is connected to feeder hopper (1) lower part through the connecting rod towards one side of feeder hopper (1).
2. A vibrating microwave drying device for grain according to claim 1, wherein a guide rail (27) spirally wound in a length direction thereof is fixed to an inner side surface of the cylindrical screen (23).
3. A vibrating type grain microwave drying device according to claim 1, wherein a spring (19) connected to a bottom portion of the rack plate (12) is fixed to an inner bottom portion of the chute (14), and an upper portion of the rack plate (12) is engaged with the missing gear (11) when the spring (19) is in a natural state.
4. A vibrating microwave drying device for grain according to claim 1, wherein the outer side surfaces of the large plugging ring body (9) and the small plugging ring body (8) are connected with guide rods (20) which penetrate through the corresponding end sides of the lifting plate (15) and vertically extend downwards, and limiting blocks (30) are fixed at the bottoms of the guide rods (20).
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| CN201910963331.8A CN110617684B (en) | 2019-10-11 | 2019-10-11 | Vibrating grain microwave drying device |
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| CN112524890A (en) * | 2020-11-30 | 2021-03-19 | 佛山市中研非晶科技股份有限公司 | Water-powder separation method of amorphous nanocrystalline and water-powder separation system applying water-powder separation method |
| CN112944841A (en) * | 2021-03-12 | 2021-06-11 | 江西樟树成方中药饮片有限公司 | A plantain seed drying device for medicinal material is handled |
| CN114453248A (en) * | 2022-03-08 | 2022-05-10 | 徐州海天石化有限公司 | Plastic granules production is with smashing recovery unit |
| CN115265135A (en) * | 2022-07-29 | 2022-11-01 | 浙江德达服饰有限公司 | High-efficient type underwear drying device |
| CN115289805A (en) * | 2022-08-01 | 2022-11-04 | 中垦种业股份有限公司 | Wheat seed grain drying equipment and drying process thereof |
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